Finding the Fourth Proportional to 553,811,059.26, 764,494,583.86 and 345,070,334.68
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Solution
The fourth proportional to 553,811,059.26, 764,494,583.86 and 345,070,334.68 is: 476,343,687.07
Step by Step Solution
- Step 1: Write the proportion equation
553,811,059.26 : 764,494,583.86 = 345,070,334.68 : x - Step 2: Convert to fraction form
553,811,059.26/764,494,583.86 = 345,070,334.68/x - Step 3: Cross multiply
553,811,059.26x = 764,494,583.86 × 345,070,334.68 - Step 4: Simplify right side
553,811,059.26x = 263,804,401,909,980,960 - Step 5: Solve for x
x = 263,804,401,909,980,960/553,811,059.26 - Step 6: Final answer
x = 476,343,687.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.